<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <style>
        div {
            width: 60px;
            height: 60px;
            margin: 10px;
            float: left;
        }
        /*p {*/
            /*clear: left;*/
            /*font-weight: bold;*/
            /*font-size: 16px;*/
            /*color: blue;*/
            /*margin: 0 10px;*/
            /*padding: 2px;*/
        /*}*/
    </style>
    <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>

<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>

<p>Added this... (notice no border)</p>

<script>
    $( "div" ).css( "border", "2px solid red" )
            .add( "p" )
            .css( "background", "yellow" );
</script>

</body>
</html>